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I don't remember how long I've walked.
I don't know when I can come back to you.
I don't know whether you have changed or not while I was away.
I don't know if you remember me now.
I still remember you told me not to be back again as if you have already forgotten me.
But your face, your voice and your smile are firmly keept in my mind.
I even forget whether I have returned once or how long I stayed.
I have no idea what the park looks like now? Are there fewer trees?